Restore githooks and CI

Author: willcrichton

.githooks/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+cargo fmt --check
+cargo clippy -- -D warnings

.github/workflows/ci.yaml

@@ -16,4 +16,7 @@ jobs:
       - name: Build cache
         uses: Swatinem/rust-cache@v2
       - name: Test
-        run: cargo test
+        run: cargo test
+      - name: Lints
+        run: bash .githooks
+        if: ${{ vars.STRICTNESS }} == 'Strict'

README.md

@@ -10,10 +10,4 @@ cargo run
 
 Open <http://localhost:3000/> in your browser.
 
-## Contributing
-
-Before committing, install the our Git hooks:
-
-```
-git config --local core.hooksPath .githooks
-```
+# Completed Chapters